Recent questions tagged docker

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docker data volume vs mounted host directory

We can have a data volume in docker: $ docker run -v /path/to/data/in/container --name ... in/container:/home/user/a_good_place_to_have_data? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - What is a dangling image and what is an unused image?

In the docker documentation of docker image prune it is possible to use the -a flag to Remove all unused ... between dangling and unused images? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Is it possible to start a shell session in a running container (without ssh)

I was naively expecting this command to run a bash shell in a running container : docker run "id of running ... it and loggin via ssh ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Keras with TensorFlow backend not using GPU

I built the gpu version of the docker image https://github.com/floydhub/dl-docker with keras version 2.0.0 ... the gpu version of tensorflow. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Share variable in multi-stage Dockerfile: ARG before FROM not substituted

I'm writing a multi-stage Dockerfile for the darshan utils: ARG DARSHAN_VER=3.1.6 FROM fedora:29 as build ... ARG variable with a default? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Disable cache for specific RUN commands

I have a few RUN commands in my Dockerfile that I would like to run with -no-cache each time I build a ... cache for a specific RUN command? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Conditional COPY/ADD in Dockerfile?

Inside of my Dockerfiles I would like to COPY a file into my image if it exists, the requirements.txt file ... install -r requirements.txt; fi See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - How to run kubectl commands inside a container?

In a container inside a pod, how can I run a command using kubectl? For example, if i need to do something like ... is it that I need to do? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker ENV vs RUN export

Let's say I want combine these commands RUN command_1 ENV FOO bar RUN command_2 into RUN command_1 && export FOO=bar ... ? ENV FOO bar vs RUN export FOO=bar Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Multiple RUN vs. single chained RUN in Dockerfile, which is better?

Dockerfile.1 executes multiple RUN: FROM busybox RUN echo This is the A > a RUN echo This is the B > b RUN ... : Which is a better way to do a Dockerfile? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - How to create a DB for MongoDB container on start up?

I am working with Docker and I have a stack with PHP, MySQL, Apache and Redis. I need to add ... with MongoDB? Anyone has some experience or workaround? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Get environment variable value in Dockerfile

I'm building a container for a ruby app. My app's configuration is contained within environment variables (loaded ... from the host machine to the container? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Multiple FROMs - what it means

I want to build a docker image for the Linkurious project on github, which requires both the Neo4j database, and Node. ... the images it needs? I'm confused... Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - In a Dockerfile, How to update PATH environment variable?

I have a dockerfile that download and builds GTK from source, but the following line is not updating my ... =$GOPATH/bin:$PATH RUN export GOROOT GOPATH PATH Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - I lose my data when the container exits

Despite Docker's Interactive tutorial and faq I lose my data when the container exits. I have installed Docker ... Every time it just creates a new container. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker : invalid reference format

I'm following this tutorial: https://medium.com/towards-data-science/number-plate-detection-with-supervisely-and- ... what's wrong. Any idea really appreciated. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - How to mount a single file in a volume

I am trying to dockerize a PHP application. In the dockerfile, I download the archive, extract it, etc. ... is there another way to persist the config? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Understanding "VOLUME" instruction in DockerFile

Below is the content of my "Dockerfile" FROM node:boron # Create app directory RUN mkdir -p /usr/src/app # Change ... let me know if this is the correct way? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Dockerfile if else condition with external arguments

I have dockerfile FROM centos:7 ENV foo=42 then I build it docker build -t my_docker . and run it. docker ... argument. docker build -t my_docker . --my_arg=42 Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Error "The input device is not a TTY"

I am running the following command from my Jenkinsfile. However, I get the error "The input device is not a ... would like to run inside the Docker container. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.6k views

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docker - Setting up MySQL and importing dump within Dockerfile

I'm trying to setup a Dockerfile for my LAMP project, but i'm having a few problems when starting MySQL ... creation and dump import during a Dockerfile build? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Difference between RUN and CMD in a Dockerfile

I'm confused about when should I use CMD vs RUN. For example, to execute bash/shell commands ( ... best practices about these two similar Dockerfile directives. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Can Windows containers be hosted on Linux?

Is it possible to run Windows containers on Linux? The scenario is based on an application written in the .NET ( ... to pack 4.6.2 framework into new library. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - What is the difference between the 'COPY' and 'ADD' commands in a Dockerfile?

What is the difference between the COPY and ADD commands in a Dockerfile, and when would I use one over the ... to the container's filesystem at path <dest>. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.8k views

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docker - What is the difference between CMD and ENTRYPOINT in a Dockerfile?

In Dockerfiles there are two commands that look similar to me: CMD and ENTRYPOINT. But I guess that there ... what's the difference between those two commands? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.6k views

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docker - Websockets acting strangely on only one server (disconnecting after handshake)

I have an app that is using Django with Nginx alongside with Django Channels. App is dockerized and ... -acting-strangely-on-only-one-server-disconnecting-after-handshake...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Build and deploy on the same dockerized runner

I'd like to build and deploy a static website (Middleman) using a self-hosted GitLab instance and CI runners ... /questions/65831279/build-and-deploy-on-the-same-dockerized-runner...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.5k views

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docker - perf_client: command not found when I follow the steps on NVIDIA's website

I just followed the steps on NVIDIA's website (https://developer.nvidia.com/blog/minimizing-dl-inference-latency-with- ... -not-found-when-i-follow-the-steps-on-nvidias-website...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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